Inventor
ISHITOKU TAKESHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “ISHITOKU TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI PETROCHEMICAL IND
4 patentsUS4973703ANov 27, 1990
Process for purification of N-cyano-N'-methyl-N"-(2-((5-methyl-1Himidazol-4-yl)methylthio)ethyl)guanidine
MITSUI PETROCHEMICAL IND6 citations73
US5037977AAug 6, 1991
Method for production of dimeric alkaloids
MITSUI PETROCHEMICAL IND7 citations70
US5072007ADec 10, 1991
Process for preparing polyalkyl-2-alkoxy-7-hydroxychroman derivatives
MITSUI PETROCHEMICAL IND1 citations51
US4814500AMar 21, 1989
Cyanoguanidine derivative and process for preparation thereof
MITSUI PETROCHEMICAL IND1 citations51
MITSUI CHEMICALS INC
3 patentsUS6315918B1Nov 13, 2001
Non-aqueous electrolytic solution for capacitor and capacitor containing non-aqueous electrolytic solution
MITSUI CHEMICALS INC33 citations90
US5932759AAug 3, 1999
Process for producing substituted amines and a method for purifying synthetic intermediates therefor
MITSUI CHEMICALS INC6 citations60
US6384241B2May 7, 2002
Purified salt of β-hydroxyethoxy acetic acid, purified 2-p-dioxanone, and manufacturing method therefor
MITSUI CHEMICALS INC3 citations59